2 puzzles · Browse all puzzles
CYLINDRICAL, MECHANICAL, PRISMATIC, MECHANISM, REVOLUTE, ROTATION, ACTUATOR, COUPLING, SHOULDER, BEARING, LINKAGE, CONTROL, SLIDER, SOCKET, PLANAR, PULLEY, LINEAR, MOTION, ROTATE, ANCHOR, JOINT, HINGE, PIVOT, SCREW, CHAIN, SERVO, MOTOR, SLIDE, WRIST, ELBOW, ANKLE, BALL, GEAR, BELT, AXIS, FLEX, BEND, MOVE, KNEE, ROLL
CIRCUIT, PLASTIC, SPRING, SWITCH, SENSOR, BUTTON, MAGNET, MOTOR, LEVER, METAL, SHAFT, FRAME, WIRE, GEAR, COIL